I have a table in Oracle DB,say, Student table. StudentID is the primary key in the table.I have another column interested subjects,say columns name is interested_SUB. A student can have more than one
I want to write a normalization function that will take a signed integer and normalize it to a double between -1 to +1. Is there a special name for this type of function, or is Normalize() what people
I\'m des开发者_Python百科igning an app for work management. The work can be broken down in (technically) infinite levels using a WBS (Work Breakdown Structure).
I am in middle of upgrading from a poorly designed legacy database to a new database. In the old database there is tableA with fields Id and Commodities. Id is the primary key and contains an int and
I\'m in the process of learning SAP BW at work. The SAP clas开发者_运维知识库s material states that in InfoCubes, dimensions are denormalized. I understand the benefit of normalized tables, but don\'t
Here is the situation: I have a \"user\" , which have many attributes. For example, \"name\", \"email\", \"password\", \"phone\".
An application I inherited tracks lab test results performed on material samples. Data is stored in a single table (tblSampleData) with a primary key of SampleID and 235 columns representing potential
I have a complex regular expression I\'ve built with code. I want to normalize it to the simplest (canonical) form that will be an equivalent regular expression but without the extra brackets and so o
I have the following 2 tables in MySQ开发者_开发百科L: Customer(Id, Firstname, Lastname...) Bonus(Id, CustomerId, Value, ...)
Say I have three properly normalised tables. One of people, one of qualifications and one mapping people to qualifications: